Ratio and Proportion problems
- 1. The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?
Options- A. 90
- B. 120
- C. 220
- D. 240 Also asked in: Bank Exams
Correct Answer: 120
- 2. The reciprocals of the squares of the numbers 11?2 and 11?3 are in the ratio
Options- A. 64 : 81
- B. 8 : 9
- C. 81 : 64
- D. 9 : 8 Also asked in: Bank Exams
Correct Answer: 64 : 81
- 3. If 3A = 2B = 4C; then what is A : B : C?
Options- A. 3 : 2 : 4
- B. 6 : 4 : 3
- C. 4 : 6 : 3
- D. 2 : 3 : 4 Also asked in: Bank Exams
Correct Answer: 4 : 6 : 3
- 4. In what ratio is the segment joining points (2, 3) and (-2, 1) divided by the Y-axis?
Options- A. 1 : 2
- B. 1 : 1
- C. 3 : 1
- D. 2 : 3 Also asked in: Bank Exams
Correct Answer: 1 : 1
- 5. The ratio of money with Ram and Gopal is 7:17 and with Gopal and Krishan is 7:17. If Ram has 490, Krishan has
Options- A. 2890
- B. 2680
- C. 2330
- D. 1190 Also asked in: Bank Exams
Correct Answer: 2890
- 6. A man spends a part of his monthly income and saves the rest. The ratio of his expenditure to the saving is 61 : 6. If his monthly income is Rs.8710, the amount of his monthly savings is
Options- A. Rs.870
- B. Rs.690
- C. Rs.980
- D. Rs.780 Also asked in: Bank Exams
Correct Answer: Rs.780
- 7. The third proportional of the following numbers (x - y)2, (x2 - y2)2 is
Options- A. (x+y)3 (x-y)2
- B. (x+y)4 (x-y)2
- C. (x+y)2 (x-y)2
- D. (x+y)2 (x-y)3 Also asked in: Bank Exams
Correct Answer: (x+y)4 (x-y)2
- 8. Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are
Options- A. 21 and 35
- B. 30 and 50
- C. 24 and 40
- D. 18 and 30 Also asked in: Bank Exams
Correct Answer: 18 and 30
- 9. In what ratio is the segment joining (-1, 3)and (2,-4) divided by the Y axis?
Options- A. 2 : 1
- B. 1 : 4
- C. 1 : 2
- D. 4 : 1 Also asked in: Bank Exams
Correct Answer: 1 : 2
- 10. The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?
Options- A. 56
- B. 48
- C. 36
- D. 44 Also asked in: Bank Exams
Correct Answer: 48
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